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IEEEPACT
2007
IEEE
15 years 4 months ago
Performance Portable Optimizations for Loops Containing Communication Operations
Effective use of communication networks is critical to the performance and scalability of parallel applications. Partitioned Global Address Space languages like UPC bring the pro...
Costin Iancu, Wei Chen, Katherine A. Yelick
ICS
2007
Tsinghua U.
15 years 4 months ago
A study of process arrival patterns for MPI collective operations
Process arrival pattern, which denotes the timing when different processes arrive at an MPI collective operation, can have a significant impact on the performance of the operatio...
Ahmad Faraj, Pitch Patarasuk, Xin Yuan
USENIX
2003
14 years 11 months ago
Operating System I/O Speculation: How Two Invocations Are Faster Than One
We present an in-kernel disk prefetcher which uses speculative execution to determine what data an application is likely to require in the near future. By placing our design withi...
Keir Faser, Fay Chang
ICDE
2008
IEEE
142views Database» more  ICDE 2008»
15 years 11 months ago
An Inflationary Fixed Point Operator in XQuery
ct The backbone of the XML data model, namely ordered, unranked trees, is inherently recursive and it is natural to equip the associated languages with constructs that can query su...
Loredana Afanasiev, Torsten Grust, Maarten Marx, J...
ACSAC
2009
IEEE
15 years 4 months ago
Protecting Commodity Operating System Kernels from Vulnerable Device Drivers
Device drivers on commodity operating systems execute with kernel privilege and have unfettered access to kernel data structures. Several recent attacks demonstrate that such poor...
Shakeel Butt, Vinod Ganapathy, Michael M. Swift, C...